xref: /linux/Documentation/devicetree/bindings/net/spacemit,k1-emac.yaml (revision a6824f65c9966cf514abc334754104b7af53567c) 
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/net/spacemit,k1-emac.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: SpacemiT K1 Ethernet MAC
8
9allOf:
10  - $ref: ethernet-controller.yaml#
11
12maintainers:
13  - Vivian Wang <wangruikang@iscas.ac.cn>
14
15properties:
16  compatible:
17    const: spacemit,k1-emac
18
19  reg:
20    maxItems: 1
21
22  clocks:
23    maxItems: 1
24
25  interrupts:
26    maxItems: 1
27
28  mdio-bus:
29    $ref: mdio.yaml#
30    unevaluatedProperties: false
31
32  resets:
33    maxItems: 1
34
35  spacemit,apmu:
36    $ref: /schemas/types.yaml#/definitions/phandle-array
37    items:
38      - items:
39          - description: phandle to syscon that controls this MAC
40          - description: offset of control registers
41    description:
42      A phandle to syscon with byte offset to control registers for this MAC
43
44required:
45  - compatible
46  - reg
47  - clocks
48  - interrupts
49  - resets
50  - spacemit,apmu
51
52unevaluatedProperties: false
53
54examples:
55  - |
56    #include <dt-bindings/clock/spacemit,k1-syscon.h>
57
58    ethernet@cac80000 {
59        compatible = "spacemit,k1-emac";
60        reg = <0xcac80000 0x00000420>;
61        clocks = <&syscon_apmu CLK_EMAC0_BUS>;
62        interrupts = <131>;
63        mac-address = [ 00 00 00 00 00 00 ];
64        phy-handle = <&rgmii0>;
65        phy-mode = "rgmii-id";
66        pinctrl-names = "default";
67        pinctrl-0 = <&gmac0_cfg>;
68        resets = <&syscon_apmu RESET_EMAC0>;
69        rx-internal-delay-ps = <0>;
70        tx-internal-delay-ps = <0>;
71        spacemit,apmu = <&syscon_apmu 0x3e4>;
72
73        mdio-bus {
74            #address-cells = <0x1>;
75            #size-cells = <0x0>;
76
77            rgmii0: phy@1 {
78                reg = <0x1>;
79            };
80        };
81    };
82